You need to work on developing an understanding of these skills.
(N/A)
You appear to have a rudimentary understanding and have made some effort to incorporate the skills into your writing.
You are competent at incorporating these skills into your writing. You have yet to develop them to their fully potential.
Well done! Not only are you able to utlise these skills well but you are adapting them to suit your writing. You have used them to manipulate the reader.
Spelling, punctuation, grammar and syntax